JPH01168397A - Manufacture of purifying material - Google Patents
Manufacture of purifying materialInfo
- Publication number
- JPH01168397A JPH01168397A JP62326371A JP32637187A JPH01168397A JP H01168397 A JPH01168397 A JP H01168397A JP 62326371 A JP62326371 A JP 62326371A JP 32637187 A JP32637187 A JP 32637187A JP H01168397 A JPH01168397 A JP H01168397A
- Authority
- JP
- Japan
- Prior art keywords
- purifying material
- autoclave
- slurry
- precursor
- purifying
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000463 material Substances 0.000 title claims abstract description 73
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 239000000378 calcium silicate Substances 0.000 claims abstract description 21
- 229910052918 calcium silicate Inorganic materials 0.000 claims abstract description 21
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000002243 precursor Substances 0.000 claims abstract description 20
- 239000008187 granular material Substances 0.000 claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 239000000725 suspension Substances 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000000843 powder Substances 0.000 claims description 22
- 238000000746 purification Methods 0.000 claims description 20
- 239000002994 raw material Substances 0.000 claims description 15
- MKTRXTLKNXLULX-UHFFFAOYSA-P pentacalcium;dioxido(oxo)silane;hydron;tetrahydrate Chemical group [H+].[H+].O.O.O.O.[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-][Si]([O-])=O.[O-][Si]([O-])=O.[O-][Si]([O-])=O.[O-][Si]([O-])=O.[O-][Si]([O-])=O.[O-][Si]([O-])=O MKTRXTLKNXLULX-UHFFFAOYSA-P 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- UGGQKDBXXFIWJD-UHFFFAOYSA-N calcium;dihydroxy(oxo)silane;hydrate Chemical compound O.[Ca].O[Si](O)=O UGGQKDBXXFIWJD-UHFFFAOYSA-N 0.000 claims description 3
- 239000000376 reactant Substances 0.000 claims description 3
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 2
- 238000007654 immersion Methods 0.000 claims 1
- 238000010517 secondary reaction Methods 0.000 claims 1
- 239000002023 wood Substances 0.000 claims 1
- 239000002002 slurry Substances 0.000 abstract description 17
- 239000002245 particle Substances 0.000 abstract description 12
- 238000002156 mixing Methods 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 12
- 239000002351 wastewater Substances 0.000 description 7
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 6
- 239000011538 cleaning material Substances 0.000 description 6
- 239000010865 sewage Substances 0.000 description 4
- 239000000377 silicon dioxide Substances 0.000 description 4
- 239000000292 calcium oxide Substances 0.000 description 3
- 235000012255 calcium oxide Nutrition 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000007598 dipping method Methods 0.000 description 3
- 238000010298 pulverizing process Methods 0.000 description 3
- 238000005273 aeration Methods 0.000 description 2
- 229910052906 cristobalite Inorganic materials 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 239000004088 foaming agent Substances 0.000 description 2
- 238000010335 hydrothermal treatment Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000004604 Blowing Agent Substances 0.000 description 1
- 229910000519 Ferrosilicon Inorganic materials 0.000 description 1
- 239000005909 Kieselgur Substances 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000011398 Portland cement Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000010797 grey water Substances 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Biological Treatment Of Waste Water (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は、家畜尿汚水、生活難廃水、下水等の有機性汚
水の処理に用いられる浄化材の製造方法に関し、特に浄
化能力が高い粒状の浄化材の製造方法に関するものであ
る。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a method for producing a purification material used in the treatment of organic wastewater such as livestock urine wastewater, non-living wastewater, and sewage. The present invention relates to a method for producing a purifying material.
［従来の技術］ 従来、有機性の汚水等を浄化するために、砂利。[Conventional technology] Traditionally, gravel is used to purify organic wastewater.
プラスチック片、ハニカムチューブ等の浄化材が、好気
性濾床槽などの各種の浄化槽に充填されていた。そして
、この様な好気性濾床槽においては、通常、汚水を流人
させるとともに曝気して浄化材の表面に生物膜を生じさ
せ、この生物膜における微生物の働きにより汚水を浄化
していた。Purification materials such as plastic pieces and honeycomb tubes were filled into various types of septic tanks, including aerobic filter bed tanks. In such an aerobic filter bed tank, sewage is normally drained and aerated to form a biofilm on the surface of the purification material, and the sewage is purified by the action of microorganisms in this biofilm.
ところが従来の浄化材は浄化能力が低い等の問題点があ
るので、近年、珪酸カルシウム水和物を粒状に加工した
浄化材が提案されていた。この珪酸カルシウム水和物は
、生物膜の微生物の生息に良好な環境を作り出すととも
に、リン酸イオンを除去し、かつ脱窒素を促進するので
好適な浄化材である。However, since conventional purifying materials have problems such as low purifying ability, purifying materials in which calcium silicate hydrate is processed into granules have been proposed in recent years. This calcium silicate hydrate is a suitable purification material because it creates a favorable environment for microorganisms in the biofilm, removes phosphate ions, and promotes denitrification.
この様な珪酸カルシウム水和物の粒状浄化材の製造方法
としては、まず、石灰質原料、珪酸質原料及び水を所定
の配合比で混合し、反応及び発泡させた後に凝固させ、
その後オートクレーブで養生する等の工程を経て製造す
る方法が提案されていた。As a method for manufacturing such a granular purifying material of calcium silicate hydrate, first, a calcareous raw material, a silicate raw material, and water are mixed at a predetermined mixing ratio, reacted and foamed, and then solidified.
A method has been proposed in which the material is then manufactured through a process such as curing in an autoclave.
［発明が解決しようとする問題点］
ところが、前述した工程によって製造された浄化材は、
ある程度の強度は備えているが、長期間の浄化材の使用
、浄化材の逆洗や交換又は曝気等によって、摩耗したり
破損することがあった。即ち、この様な浄化材は必ずし
も耐久性が十分でなく、その結果、長期間使用できない
という問題点があった。[Problems to be solved by the invention] However, the purifying material manufactured by the above-mentioned process,
Although they have a certain degree of strength, they may wear out or break due to long-term use of the purifying material, backwashing or replacement of the purifying material, or aeration. That is, such purifying materials do not necessarily have sufficient durability, and as a result, there is a problem that they cannot be used for a long period of time.
［問題点を解決するための手段］
上記の問題点を解決するために、本発明は以下の構成を
採用した、即ち、本発明は、
石灰質原料、珪酸質原料及び水が所定の配合比で混合さ
れた混合物を反応及び発泡させた後に凝固する１次反応
工程、該１次反応工程で得られた凝固物をオートクレー
ブ養生する２次反応工程、前記各工程を経て得られた粒
状物を前記１次反応工程で得られた反応物の懸濁液また
は前記混合物の懸濁液に浸漬する浸漬工程、該浸漬工程
で得られた第１の浄化材前駆物質の表面に珪酸カルシウ
ム粉末を付着させる粉末付着工程、及び該粉末付着工程
で得られた第２の浄化材前駆物質をオートクレーブ養生
する工程とから成る浄化材の製造方法を要旨とする。[Means for Solving the Problems] In order to solve the above problems, the present invention adopts the following structure. That is, the present invention has the following features: A first reaction step in which the mixed mixture is reacted and foamed and then solidified, a second reaction step in which the solidified product obtained in the first reaction step is cured in an autoclave, and the granules obtained through each of the above steps are A dipping step of immersing the reactant suspension obtained in the first reaction step or a suspension of the mixture, and adhering calcium silicate powder to the surface of the first cleaning material precursor obtained in the dipping step. The gist of the present invention is a method for producing a purification material, which comprises a powder deposition step and a step of autoclaving a second purification material precursor obtained in the powder deposition step.
ここで、反応物の？３ ’＆ ？＆とは、原料間の反応
や発泡剤の化学反応が行われた凝固物を粉砕してスラリ
ーにしたものであり、また混合物の懸濁液とは前記原料
が混合されたスラリーである。更に、珪酸カルシウム粉
末とは、例えばトバモライト。Where is the reactant? 3'&? & is a slurry obtained by pulverizing a coagulated material that has undergone a reaction between raw materials or a chemical reaction of a blowing agent, and a suspension of a mixture is a slurry in which the above-mentioned raw materials are mixed. Furthermore, the calcium silicate powder is, for example, tobermorite.
ゾノトライト、Ｃ９Ｈゲル、フオシヤジヤイト。Xonotlite, C9H gel, phosiyaite.
ジャイロライト、ヒレプランダイト等の粉末である。These are powders such as gyrolite and hireplandite.
［作用］
まず、本発明による浄化材を製造する最初の工程として
、石灰質原料、珪酸質原料及び水を所定の配合比で混合
し、この混合によって原料は発熱反応とともに発泡反応
を生じ、時間の経過とともに徐々に凝固して、多孔質の
凝固物が生成される。[Function] First, as the first step of manufacturing the purifying material according to the present invention, calcareous raw materials, silicic raw materials, and water are mixed at a predetermined mixing ratio.This mixing causes the raw materials to undergo an exothermic reaction and a foaming reaction, which takes time. It gradually solidifies over time, producing a porous solid.
次に、この様にして製造された凝固物は、高温高圧処理
であるオートクレーブ養生されるのであるが、この処理
は、凝固物を安定した珪酸カルシウム永和物に変えて硬
化させるための処理である。Next, the coagulated material produced in this way is cured in an autoclave, which is a high-temperature, high-pressure process.This treatment is a process to convert the coagulated material into a stable calcium silicate permanent product and harden it. .
このような工程を経て製造された珪酸カルシウム水和物
を所定の粒径に粉砕することにより従来の技術で説明し
た浄化材が製造されるのであるが、本発明による製造方
法では、更に、この浄化材を懸濁液に浸漬する工程、珪
酸カルシウム粉末を付着させる工程及びオートクレーブ
養生する工程が施される。The purification material described in the conventional technique is manufactured by pulverizing the calcium silicate hydrate manufactured through such a process to a predetermined particle size. The steps of immersing the purifying material in a suspension, applying calcium silicate powder, and autoclaving are performed.
これらの一連の工程処理が施されることにより、浄化材
の表面は、内部より空隙率が低い微密な層となる。つま
り、浄化材の内部は、空隙率の高い多孔質のままである
のに対し、浄化材の表面が微密で硬い膜として形成され
るので、浄化材の強度が大きくなるものである。By performing these series of processes, the surface of the purifying material becomes a fine layer with a lower porosity than the inside. In other words, while the inside of the purifying material remains porous with a high porosity, the surface of the purifying material is formed as a finely dense and hard film, which increases the strength of the purifying material.
しかも、浄化材を懸濁液に漬けた後に、二度目のオート
クレーブ養生をするので、浄化材同志が接着して不均一
な大きさになり易いが、粉末付着工程により浄化材の表
面には粉末が付着されるから、浄化材同士が接着するこ
とも防止される。Moreover, since the purification material is autoclaved for a second time after being soaked in the suspension, the purification materials tend to adhere to each other and become uneven in size. Since the cleaning materials are attached, it is also possible to prevent the purifying materials from adhering to each other.
［実施例］ 以下本発明の実施例を図面に従って説明する。[Example] Embodiments of the present invention will be described below with reference to the drawings.
第１図及び第２図は、本実施例の浄化材の製造手順を示
している。尚、製造例として、トバモライトの製造方法
について説明する。FIG. 1 and FIG. 2 show the manufacturing procedure of the purifying material of this example. As a manufacturing example, a method for manufacturing tobermorite will be described.
まず、石灰質原料及び珪酸質原料を、第２図に示す粉砕
装置２に入れて粉砕する。この石灰質原料としては、生
石灰、消石灰などを使用し、珪酸質原料としては、珪石
、珪砂、クリストバライト。First, calcareous raw materials and silicic raw materials are placed in a crushing device 2 shown in FIG. 2 and crushed. The calcareous raw materials used include quicklime and slaked lime, and the silicic raw materials used include silica stone, silica sand, and cristobalite.
無定形シリカ、珪藻土、フェロシリコンダスト。Amorphous silica, diatomaceous earth, ferrosilicon dust.
白土などを使用する（原料粉砕工程■）。Use white clay, etc. (raw material crushing process ■).
前記粉砕した原料から、珪石粉末５重量部、生石灰粉末
２重量部、普通ポルトランドセメント３重量部（ＣａＯ
／ＳｉＯ２モル比＝０．８）を調整し、水７重量部を加
え、場合によっては、アルミニウム粉末などの金属発泡
剤や、界面活性作用より泡を生じさせる起泡剤等を添加
して、ミキサー４に入れて混合し、スラリー６を製造す
る（スラリー製造工程■）。From the pulverized raw materials, 5 parts by weight of silica powder, 2 parts by weight of quicklime powder, and 3 parts by weight of ordinary Portland cement (CaO
/SiO2 molar ratio = 0.8), add 7 parts by weight of water, and in some cases, add a metal foaming agent such as aluminum powder or a foaming agent that generates foam by surface active action. The mixture is mixed in mixer 4 to produce slurry 6 (slurry production process ■).
次に、そのスラリー６をモールド８に注入し、ここで反
応及び発泡を十分に行わせた後に、静置して凝固させて
、水分的６０％程度の凝固物１０を製造する（発泡凝固
工程■）。Next, the slurry 6 is poured into a mold 8, where it is sufficiently reacted and foamed, and then left to solidify to produce a solidified product 10 with a water content of about 60% (foaming solidification step). ■).
この様にして製造した凝固物１０を、モールド８から取
り出して裁断する。その後、オートクレーブ１２中に入
れ、１８０℃、１０気圧で１０時間水熱処理し、トバモ
ライトからなる空隙率７０〜７５％の多孔質の生成物１
４を製造する（第１のオートクレープ工程■）。The coagulated material 10 produced in this manner is taken out from the mold 8 and cut. Thereafter, it was placed in an autoclave 12 and subjected to hydrothermal treatment at 180°C and 10 atm for 10 hours to produce a porous product 1 made of tobermorite with a porosity of 70 to 75%.
4 (first autoclave step ■).
そして、このトバモライトからなる生成物１４を、オー
トクレーブから取り出して、ショークラッシャ１６で砕
いて粉砕物１８を製造する（粉砕工程Ｖ）。The product 14 made of tobermorite is then taken out from the autoclave and crushed by a show crusher 16 to produce a crushed product 18 (pulverization step V).
次に、この粉砕物１８を、振動ふるい２０でふ−るい分
けて、第３図（ａ）に示す様な、平均粒径約８ｍｍの粒
状物２２を選別する（ふるい分は工程■）。Next, this pulverized material 18 is sieved with a vibrating sieve 20 to select granules 22 having an average particle diameter of about 8 mm as shown in FIG.
その後、前記粒状物２２を上述したスラリー６に浸漬す
る。それによって、粒状物２２の表面に厚さ約１ｍｍの
スラリー６の層を形成し、粒状物２２の表面の空隙を少
なくして、第３図（ｂ）に示す第１の浄化材前駆物質２
４を製造する（スラリー浸漬工程■）。Thereafter, the granular material 22 is immersed in the slurry 6 described above. As a result, a layer of slurry 6 with a thickness of about 1 mm is formed on the surface of the granules 22, and the voids on the surface of the granules 22 are reduced, so that the first cleaning material precursor 2 shown in FIG. 3(b) is formed.
4 (slurry dipping step ■).
この第１の浄化材前駆物質２４を、珪酸カルシウム永和
物の粉末２６に投入し、第３図（Ｃ）示すように、その
粉末２６を第１の浄化材前駆物質２４の表面に付着させ
て第２の浄化材前駆物質２日を形成する。そして、ふる
いにかけて粉末２６を除き第２の浄化材前駆物質２日を
取り出す。この珪酸カルシウム永和物の粉末２６は、前
記粒状物２２と同じトバモライトであってもよく、それ
以外にも、ＣＳＨゲル、ゾノトライト、フオシヤジヤイ
ト、ジャイロライト、ヒレブランダイト等の珪酸カルシ
ウムの水和物の１種又は２種以上から構成されていても
よい。特にこの中でもトバモライト、ジノトライ）、Ｃ
ＳＨゲルはｐＨ緩衝能が高く、比表面積が２０−４００
ｍ”／ｇと大きいので好ましい（珪酸カルシウム粉末付
着工程■）。This first purification material precursor 24 is added to powder 26 of calcium silicate permanent, and as shown in FIG. 3(C), the powder 26 is attached to the surface of the first purification material precursor 24. Form a second cleaning agent precursor for 2 days. Then, the powder 26 is removed through a sieve, and the second cleaning material precursor 2 days is taken out. The calcium silicate permanent powder 26 may be tobermorite, which is the same as the granular material 22, and may also be a calcium silicate hydrate such as CSH gel, xonotlite, phosiyaite, gyrolite, and hillebrandite. It may be composed of one type or two or more types. Especially among these, Tobermorite, Ginotri), C
SH gel has a high pH buffering capacity and a specific surface area of 20-400
m”/g, which is preferable (calcium silicate powder adhesion step (■)).
そして、前記の様な粉末２６が付着した第２の浄化材前
駆物質２日を、再びオートクレーブ１２中に入れ、１８
０℃、１０気圧で１０時間水熱処理して、第３図（ｄ）
に示す平均粒径約１０ｍｍの粒状浄化材３２の製造を完
了する（第２のオートクレープ工程■）。Then, the second purifying material precursor with the powder 26 attached thereon as described above was put into the autoclave 12 again, and 18
After hydrothermal treatment at 0°C and 10 atm for 10 hours, Fig. 3(d)
The production of the granular purifying material 32 having an average particle diameter of about 10 mm shown in (second autoclape step (2)) is completed.
次に、この粒状浄化材３２の素材である珪酸カルシウム
永和物の作用について説明する。Next, the action of calcium silicate permanent, which is the material of this granular purifying material 32, will be explained.
この粒状浄化材３２の表面には、前記珪酸カルシウム水
和物の結晶により微細な凹凸面が形成されているので、
この凹凸面が微生物の着床及び脱リンには好ましく機能
する。このため粒状浄化材３２の表面における生物膜の
形成が容易であり、この生物膜によって生活雑排水、下
水などの有機性排水の有機物除去を行うことが可能であ
る。つまり珪酸カルシウム永和物を主成分とする多孔質
の粒状浄化材３２を用いることにより、固体粒子を含む
排水ばかりか有機物、リンを含む高濃度の有機性排水の
浄化が可能である。Since the surface of this granular purifying material 32 has a fine uneven surface formed by the crystals of the calcium silicate hydrate,
This uneven surface functions favorably for microbial implantation and dephosphorization. Therefore, it is easy to form a biofilm on the surface of the granular purifying material 32, and it is possible to remove organic matter from organic wastewater such as gray water and sewage using this biofilm. That is, by using the porous granular purifying material 32 containing calcium silicate as a main component, it is possible to purify not only wastewater containing solid particles but also highly concentrated organic wastewater containing organic matter and phosphorus.
この様な性質を有する本実施例の粒状浄化材３２の製造
方法の作用について説明する。The operation of the method for manufacturing the granular purifying material 32 of this embodiment having such properties will be explained.
前記粒状浄化材３２の製造段階で、−度オートクレープ
養生した粒状物２２は、懸濁液に漬けられてその表面が
スラリー６に覆われる。そのスラリー６によって、粒状
物２２の表面の空隙が埋められるので、再びオートクレ
ーブ養生すると、表面付近の空隙が少ない粒状浄化材３
２が製造される。即ち、表面付近の空隙率が小さくなる
ことにより、強度の大きな粒状浄化材が製造される。ま
た、上述したように、粒状浄化材３２は、粒状物２２、
スラリー６及び粉末２６によって層構造が形成され、更
に、内部が二度オートクレーブ養生されることになるの
でより強度が大きくなる。In the step of manufacturing the granular purifying material 32, the granular material 22 that has been cured in an autoclave is immersed in a suspension and its surface is covered with the slurry 6. The slurry 6 fills the voids on the surface of the granular material 22, so when it is autoclaved again, the granular purifying material 3 has fewer voids near the surface.
2 is produced. That is, by reducing the porosity near the surface, a granular purifying material with high strength is produced. Further, as described above, the granular purifying material 32 includes the granular materials 22,
A layered structure is formed by the slurry 6 and the powder 26, and since the inside is autoclaved twice, the strength is increased.
また、前記第１の浄化材前駆物質の表面は粘着性のある
スラリーで覆われているので、そのままオートクレーブ
養生すると、第１の浄化材前駆物質２４同志が接着して
、径の大きないびつな粒状浄化材３２が生成してしまう
ことがあるが、本実施例では、珪酸カルシウム粉末付着
工程■によって、第１の浄化材前駆物質２４の表面に粉
末２６を付着させることにより、第１の浄化材前駆物質
同志が接着することを防止できる。それによって、均一
の粒径の粒状浄化材３２を製造することができる。In addition, since the surface of the first purifying material precursor is covered with a sticky slurry, if it is left to cure in an autoclave, the first purifying material precursor 24 will adhere to each other and form irregular particles with large diameters. Although the purification material 32 may be generated, in this embodiment, the powder 26 is attached to the surface of the first purification material precursor 24 in the calcium silicate powder adhesion step (3), so that the first purification material 32 is generated. It is possible to prevent the precursor substances from adhering to each other. Thereby, the granular purifying material 32 having a uniform particle size can be manufactured.
この様にして製造した粒状浄化材３２と、従来例との表
面強度を測定した。その結果、従来例では表面強度が０
． ９ （Ｈｂ）であったが、本実施例では１． ８
（Ｈｂ）であった。The surface strength of the granular purifying material 32 produced in this manner and that of the conventional example were measured. As a result, in the conventional example, the surface strength was 0.
．． 9 (Hb), but in this example it was 1. 8
(Hb).
上述した様に、本実施例の粒状浄化材３２は、表面強度
が大きいので、長期間使用しても破損することが少なく
、又、浄化材の交換や洗浄時、更には、曝気によフても
破損することが少ない。従って、浄化材の耐久性が増加
する。As mentioned above, the granular purifying material 32 of this embodiment has a high surface strength, so it is less likely to be damaged even after long-term use, and it is easy to clean when replacing or cleaning the purifying material, as well as due to aeration. It is less likely to be damaged. Therefore, the durability of the cleaning material is increased.
尚、本発明は上述した実施例に何等限定されるものでは
なく、本発明の要旨を逸脱しない限りどの様な態様でも
実施することができる。例えば、本実施例以外にも様々
な粒度や形状の粒状浄化材３２に適用できることはもち
ろんであり、また、積層する珪酸カルシウムの種類が層
毎にそれぞれ異なっていてもよい。It should be noted that the present invention is not limited to the embodiments described above in any way, and can be implemented in any manner without departing from the gist of the present invention. For example, it goes without saying that the present invention can be applied to granular purifying materials 32 having various particle sizes and shapes other than the present embodiment, and the types of calcium silicate to be laminated may be different for each layer.
［発明の効果］
以上説明したように、−度オートクレープした粒状物を
懸濁液に漬けた後に、再度オートクレーブして浄化材を
製造するので、強度の大きな浄化材を製造することがで
きる。その結果、浄化材の耐久性が増加する。また再度
オートクレーブする前に、懸濁液に漬けた粒状物の表面
に粉末を付着させるので、粒状物同志が接合することも
なく均一の粒径、の浄化材を製造することができる。[Effects of the Invention] As explained above, since the purifying material is produced by immersing the granular material that has been autoclaved twice in a suspension and then autoclaving it again, it is possible to produce a highly strong purifying material. As a result, the durability of the cleaning material is increased. In addition, since the powder is attached to the surface of the granules immersed in the suspension before autoclaving again, the granules do not join together and a purifying material having a uniform particle size can be produced.
第１図は製造工程の手順を示す説明図、第２図 “はそ
の工程を装置とともに示す説明図、第３図は浄化材の構
造を破断して示す確断図である。
６・・・スラリー
１２・・・オートクレーブ
２２・・・粒状物
２４・・・第１の浄化材前駆物質
２６・・・珪酸カルシウム粉末
２８・・・第２の浄化材前駆物質
３２・・・粒状浄化材
特許出願人 小野田ニー・エル・シー株式会社代理人
弁理士 定立 勉（ほか１名）第 １ 図
゛
ち
ρ
〜
第３図
（ｂ）
１ｄノFig. 1 is an explanatory diagram showing the procedure of the manufacturing process, Fig. 2 is an explanatory diagram showing the process together with the equipment, and Fig. 3 is a cutaway diagram showing the structure of the purifying material.6... Slurry 12... Autoclave 22... Granular material 24... First purification material precursor 26... Calcium silicate powder 28... Second purification material precursor 32... Granular purification material patent application Person Onoda NLC Co., Ltd. Agent
Patent attorney Tsutomu Sadatsu (and 1 other person) Figure 1
゛chiρ ~ Figure 3(b) 1dノ
Claims (1)
合された混合物を反応及び発泡させた後に凝固する１次
反応工程、該１次反応工程で得られた凝固物をオートク
レーブ養生する２次反応工程、前記各工程を経て得られ
た粒状物を前記１次反応工程で得られた反応物の懸濁液
又は前記混合物の懸濁液に浸漬する浸漬工程、該浸漬工
程で得られた第１の浄化材前駆物質の表面に珪酸カルシ
ウム粉末を付着させる粉末付着工程、及び該粉末付着工
程で得られた第２の浄化材前駆物質をオートクレーブ養
生する工程とから成る浄化材の製造方法。 ２ 前記珪酸カルシウムは、トバモライト、ゾノトライ
ト、ＣＳＨゲル、フオシヤジヤイト、ジャイロライト又
はヒレプランダイトである特許請求の範囲第１項記載の
浄化材の製造方法。[Scope of Claims] 1. A first reaction step in which a mixture of a calcareous raw material, a silicate raw material, and water are mixed in a predetermined ratio is reacted and foamed, and then solidified, and a solidified product obtained in the first reaction step. a secondary reaction step of curing in an autoclave; an immersion step of immersing the granular material obtained through each of the above steps into a suspension of the reactant obtained in the first reaction step or a suspension of the mixture; A purification process comprising a powder adhesion step of adhering calcium silicate powder to the surface of the first purification material precursor obtained in the step, and a step of autoclaving the second purification material precursor obtained in the powder adhesion step. Method of manufacturing wood. 2. The method for producing a purifying material according to claim 1, wherein the calcium silicate is tobermorite, xonotlite, CSH gel, phosiyaite, gyrolite, or hileprandite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62326371A JPH01168397A (en) | 1987-12-22 | 1987-12-22 | Manufacture of purifying material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62326371A JPH01168397A (en) | 1987-12-22 | 1987-12-22 | Manufacture of purifying material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01168397A true JPH01168397A (en) | 1989-07-03 |
Family
ID=18187052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62326371A Pending JPH01168397A (en) | 1987-12-22 | 1987-12-22 | Manufacture of purifying material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01168397A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2753988A1 (en) * | 1996-10-02 | 1998-04-03 | Eparco Sa | BIOLOGICAL ACTIVATOR FOR SEPTIC TANK OR CLAY-BASED EQUIVALENT |
| JP2003001287A (en) * | 2001-06-26 | 2003-01-07 | Cleate Resource Kk | Floating body and its manufacturing method |
-
1987
- 1987-12-22 JP JP62326371A patent/JPH01168397A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2753988A1 (en) * | 1996-10-02 | 1998-04-03 | Eparco Sa | BIOLOGICAL ACTIVATOR FOR SEPTIC TANK OR CLAY-BASED EQUIVALENT |
| EP0834473A1 (en) * | 1996-10-02 | 1998-04-08 | Eparco | Biological activator based on day 1 for septic tanks |
| JP2003001287A (en) * | 2001-06-26 | 2003-01-07 | Cleate Resource Kk | Floating body and its manufacturing method |
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